brand new Stainless Steel Straight Chocks 4.5" with Warranty, which are designed for strength and beauty. It provides a smooth lead for your mooring or dock lines. The unique design features a narrow jaw to keep lines in place and a think base to keey lines off your deck. The generous radius edges reduce chafe to a minimum. This chock is a combination of form, function and strength. The surface has been Electropolished to mirror smooth for outstanding corrosion resistance.